Question: Cache performance model L1 cache : hit ratio 0.8 access time = 2.5 ns L2 cache: hit ratio 0.95 access time = 10 ns L3

Cache performance model

L1 cache : hit ratio 0.8 access time = 2.5 ns

L2 cache: hit ratio 0.95 access time = 10 ns

L3 cache: hit ratio 0.99 access time = 40 ns

main memory access time = 200 ns

Question:

Please find an average memory access time of this cache model.

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